He reportedly attacked 32-year-old Mark Cannon during an argument. Police say Cannon tripped over his own feet, fell and hit his head on concrete. Cannon was taken to a trauma center with head injuries. Police had no word on his condition Sunday.

Police Lt. Dan Christman tells the San Diego Union Tribune that Savaiinea reportedly thought he overheard Cannon trying to recruit one of his players.

The two men were with opposing teams of 9, 10 and 11-year-old kids from Chula Vista, Calif..